@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700;800;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0e0e0e;
  --surface:  #141414;
  --card:     #1a1a1a;
  --card2:    #1f1f1f;
  --border:   rgba(255,255,255,.08);
  --border2:  rgba(255,255,255,.14);
  --accent:   #d4d4d4;
  --accent2:  #a3a3a3;
  --text:     #e5e5e5;
  --muted:    #666;
  --muted2:   #999;
  --white:    #ffffff;
  --green:    #4ade80;
  --grad:     linear-gradient(135deg, #fff 0%, #a3a3a3 100%);
  --r:        12px;
  --r2:       20px;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ── TYPOGRAPHY ── */
.t-hero  { font-size: clamp(3rem, 7vw, 6rem); font-weight: 800; line-height: 1.05; letter-spacing: -.03em; }
.t-h2    { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; line-height: 1.1; letter-spacing: -.02em; }
.t-h3    { font-size: 1.1rem; font-weight: 600; }
.t-body  { font-size: 1rem; color: var(--muted2); line-height: 1.75; }
.t-sm    { font-size: .875rem; }
.t-xs    { font-size: .78rem; }
.t-tag   { font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted2); }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── LAYOUT ── */
.wrap    { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.wrap-sm { max-width: 720px;  margin: 0 auto; padding: 0 28px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 9px;
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem; font-weight: 600; cursor: pointer;
  border: none; transition: all .18s ease; white-space: nowrap;
}
.btn-white {
  background: #fff; color: #111;
  box-shadow: 0 1px 0 rgba(0,0,0,.2);
}
.btn-white:hover { background: #f0f0f0; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(255,255,255,.12); }

.btn-ghost {
  background: transparent; color: var(--muted2);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { color: #fff; border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.04); }

.btn-lg  { padding: 14px 30px; font-size: .95rem; border-radius: 10px; }
.btn-xl  { padding: 16px 36px; font-size: 1rem; border-radius: 11px; }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 900;
  padding: 0 28px;
  transition: background .3s, border-color .3s;
}
.nav.scrolled {
  background: rgba(14,14,14,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1140px; margin: 0 auto;
  display: flex; align-items: center;
  height: 64px; gap: 8px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.05rem; font-weight: 700; color: #fff;
  margin-right: auto; flex-shrink: 0; letter-spacing: -.01em;
}
.logo-mark {
  width: 30px; height: 30px; border-radius: 7px;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: #111;
}
.nav-menu { display: flex; align-items: center; gap: 2px; }
.nav-menu a {
  padding: 7px 13px; border-radius: 7px;
  font-size: .875rem; font-weight: 500; color: var(--muted2);
  transition: all .15s;
}
.nav-menu a:hover, .nav-menu a.on { color: #fff; background: rgba(255,255,255,.06); }
.nav-right { display: flex; align-items: center; gap: 10px; margin-left: 20px; }
.ham { display: none; background: none; border: none; cursor: pointer; color: var(--muted2); font-size: 1.2rem; padding: 6px; }

/* ── HERO ── */
.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(255,255,255,.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border2), transparent);
}
.hero-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.hero-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border2);
  border-radius: 100px; padding: 5px 14px 5px 10px;
  font-size: .75rem; font-weight: 500; color: var(--muted2);
  margin-bottom: 36px;
}
.hero-chip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green);
  animation: blink 2.5s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1}50%{opacity:.3} }

.hero-title { margin-bottom: 22px; color: #fff; }
.hero-sub { max-width: 520px; margin: 0 auto 40px; font-size: 1.1rem; color: var(--muted2); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.hero-note { font-size: .78rem; color: var(--muted); margin-bottom: 72px; }

/* ── APP MOCKUP ── */
.hero-preview {
  width: 100%; max-width: 900px;
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 18px; overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.04);
}
.preview-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 11px 16px;
  display: flex; align-items: center; gap: 10px;
}
.pb-dots { display: flex; gap: 6px; }
.pb-dot { width: 10px; height: 10px; border-radius: 50%; }
.pb-dot.r { background: #ff5f57; } .pb-dot.y { background: #febc2e; } .pb-dot.g { background: #28c840; }
.pb-title { flex: 1; text-align: center; font-size: .72rem; color: var(--muted); font-weight: 500; }
.pb-right { font-size: .68rem; color: var(--muted); }

.preview-body { display: grid; grid-template-columns: 200px 1fr; min-height: 320px; }
.preview-sidebar {
  background: var(--surface); border-right: 1px solid var(--border);
  padding: 14px; display: flex; flex-direction: column; gap: 4px;
}
.ps-label { font-size: .62rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; margin: 8px 0 4px; }
.ps-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 9px; border-radius: 6px;
  font-size: .75rem; color: var(--muted2);
}
.ps-item.active { background: rgba(255,255,255,.06); color: #fff; }
.ps-item .ic { font-size: .85rem; width: 14px; text-align: center; }

.preview-main { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.pm-topbar { display: flex; align-items: center; gap: 10px; }
.rec-pill {
  display: flex; align-items: center; gap: 6px;
  background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.2);
  border-radius: 100px; padding: 4px 12px;
  font-size: .72rem; font-weight: 700; color: #f87171;
}
.rec-pill .rd { width: 6px; height: 6px; border-radius: 50%; background: #ef4444; animation: blink 1s infinite; }
.pm-time { font-size: .75rem; color: var(--muted); margin-left: auto; }
.pm-quality { font-size: .68rem; font-weight: 700; color: var(--green); background: rgba(74,222,128,.08); border: 1px solid rgba(74,222,128,.18); border-radius: 5px; padding: 2px 7px; }

.pm-track-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 12px; }
.pm-track-title { font-size: .66rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 9px; }
.pm-track { height: 28px; background: var(--bg); border-radius: 5px; position: relative; overflow: hidden; margin-bottom: 7px; }
.pm-track::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent, transparent 3px, rgba(255,255,255,.015) 3px, rgba(255,255,255,.015) 4px); }
.pm-fill { height: 100%; border-radius: 5px; background: rgba(255,255,255,.15); width: 62%; }
.pm-fill.audio { background: rgba(255,255,255,.08); width: 55%; }
.pm-scrubber { position: absolute; left: 62%; top: 0; bottom: 0; width: 1.5px; background: #fff; box-shadow: 0 0 6px rgba(255,255,255,.5); }
.pm-time-row { display: flex; justify-content: space-between; font-size: .65rem; color: var(--muted); }

.pm-tools { display: flex; gap: 7px; flex-wrap: wrap; }
.pm-tool {
  display: flex; align-items: center; gap: 5px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 7px; padding: 6px 11px;
  font-size: .72rem; color: var(--muted2);
}
.pm-tool.on { border-color: rgba(255,255,255,.2); color: #fff; background: rgba(255,255,255,.05); }

.pm-stats { display: flex; gap: 10px; }
.pm-stat { flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: 7px; padding: 9px 11px; }
.pm-stat .v { font-size: .88rem; font-weight: 700; color: #fff; }
.pm-stat .l { font-size: .65rem; color: var(--muted); margin-top: 1px; }

/* ── LOGOS ── */
.logos {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.logos-label { text-align: center; font-size: .68rem; font-weight: 600; color: var(--muted); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 26px; }
.logos-row { display: flex; align-items: center; justify-content: center; gap: 52px; flex-wrap: wrap; }
.logo-co { font-size: .9rem; font-weight: 700; color: rgba(255,255,255,.12); letter-spacing: .04em; text-transform: uppercase; transition: color .2s; cursor: default; }
.logo-co:hover { color: rgba(255,255,255,.3); }

/* ── SECTION HEADER ── */
.sec-head { text-align: center; margin-bottom: 60px; }
.sec-head .t-tag { margin-bottom: 14px; }
.sec-head .t-h2 { margin-bottom: 14px; color: #fff; }
.sec-head .t-body { max-width: 500px; margin: 0 auto; }

/* ── FEATURE GRID ── */
.feat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r2); overflow: hidden; }
.feat-card { background: var(--card); padding: 32px 28px; transition: background .18s; }
.feat-card:hover { background: var(--card2); }
.feat-icon {
  width: 40px; height: 40px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 18px;
  background: rgba(255,255,255,.05); border: 1px solid var(--border2);
}
.feat-card h3 { color: #fff; margin-bottom: 9px; font-size: .95rem; }
.feat-card p  { font-size: .85rem; color: var(--muted2); line-height: 1.7; }

/* ── HOW IT WORKS ── */
.how-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.how-item { text-align: center; padding: 6px; }
.how-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--card); border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem; font-weight: 700; color: #fff;
  margin: 0 auto 18px;
}
.how-item h3 { color: #fff; margin-bottom: 8px; font-size: .9rem; font-weight: 600; }
.how-item p  { font-size: .83rem; color: var(--muted2); }

/* ── STATS ROW ── */
.spec-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r2); overflow: hidden; }
.spec-cell { background: var(--card); padding: 28px 24px; text-align: center; }
.spec-val { font-size: 2rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; margin-bottom: 6px; color: #fff; }
.spec-lbl { font-size: .75rem; color: var(--muted); font-weight: 500; }

/* ── TESTIMONIALS ── */
.testi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.testi-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r2); padding: 26px;
  display: flex; flex-direction: column;
}
.testi-stars { color: var(--muted2); font-size: .8rem; letter-spacing: 3px; margin-bottom: 14px; }
.testi-card blockquote { font-size: .875rem; color: var(--muted2); line-height: 1.75; flex: 1; margin-bottom: 22px; }
.testi-author { display: flex; align-items: center; gap: 11px; }
.testi-av {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.1); border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.testi-name { font-size: .85rem; font-weight: 600; color: #fff; }
.testi-role { font-size: .72rem; color: var(--muted); }

/* ── PRICING ── */
.pricing-toggle-wrap { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 52px; }
.tog-lbl { font-size: .875rem; font-weight: 500; color: var(--muted); }
.tog-lbl.on { color: #fff; }
.tog {
  width: 46px; height: 24px; background: var(--card2); border: 1px solid var(--border2);
  border-radius: 100px; cursor: pointer; position: relative; transition: background .2s;
}
.tog.on { background: #fff; border-color: #fff; }
.tog-k {
  position: absolute; top: 3px; left: 3px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--muted2); transition: transform .2s;
}
.tog.on .tog-k { background: #111; transform: translateX(22px); }
.save-badge { background: rgba(255,255,255,.06); border: 1px solid var(--border2); color: var(--muted2); font-size: .7rem; font-weight: 600; padding: 3px 10px; border-radius: 100px; }

.price-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; align-items: start; }
.price-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r2); padding: 30px; }
.price-card.hot { border-color: rgba(255,255,255,.2); background: var(--card2); position: relative; }
.hot-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: #fff; color: #111; font-size: .68rem; font-weight: 700;
  padding: 3px 14px; border-radius: 100px; white-space: nowrap;
}
.plan-tier { font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.plan-amount { display: flex; align-items: baseline; gap: 3px; margin-bottom: 4px; }
.plan-amount .sym { font-size: 1rem; font-weight: 700; color: #fff; }
.plan-amount .num { font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1; letter-spacing: -.04em; }
.plan-amount .per { font-size: .82rem; color: var(--muted); }
.plan-desc { font-size: .83rem; color: var(--muted2); margin-bottom: 22px; min-height: 38px; }
.plan-sep { border: none; border-top: 1px solid var(--border); margin: 22px 0; }
.plan-feats { display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; }
.plan-feat { display: flex; align-items: flex-start; gap: 9px; font-size: .83rem; }
.plan-feat .ok  { color: var(--green); flex-shrink: 0; font-size: .78rem; margin-top: 2px; }
.plan-feat .no  { color: var(--muted);  flex-shrink: 0; font-size: .78rem; margin-top: 2px; }
.plan-feat span { color: var(--muted2); }
.plan-feat span.dim { color: var(--muted); }

/* ── CTA BOX ── */
.cta-box {
  border-radius: var(--r2); padding: 80px 40px; text-align: center;
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--border2);
}
.cta-box::before {
  content: ''; position: absolute; top: -60%; left: 50%; transform: translateX(-50%);
  width: 500px; height: 300px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255,255,255,.04), transparent 70%);
  pointer-events: none;
}
.cta-box h2 { color: #fff; margin-bottom: 14px; }
.cta-box .t-body { margin-bottom: 36px; }
.cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 18px; font-size: .76rem; color: var(--muted); }

/* ── FAQ ── */
.faq-stack { max-width: 660px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; }
.faq-btn {
  width: 100%; padding: 18px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: none; border: none; cursor: pointer;
  text-align: left; color: #fff; font-size: .875rem; font-weight: 600;
  font-family: 'DM Sans', sans-serif;
}
.faq-ico {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1px solid var(--border2); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: .72rem; color: var(--muted); transition: .2s;
}
.faq-item.open .faq-ico { background: #fff; border-color: #fff; color: #111; transform: rotate(45deg); }
.faq-ans { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-ans-in { padding: 0 22px 18px; font-size: .85rem; color: var(--muted2); line-height: 1.75; }

/* ── FOOTER ── */
footer { border-top: 1px solid var(--border); padding: 64px 0 32px; background: var(--surface); }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: .83rem; color: var(--muted2); margin-top: 12px; max-width: 220px; line-height: 1.75; }
.footer-col h5 { font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: .83rem; color: var(--muted2); transition: color .15s; }
.footer-col ul a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; flex-direction: column; gap: 16px; }
.footer-bottom-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p, .footer-bottom a { font-size: .78rem; color: var(--muted); }
.footer-bottom a:hover { color: #fff; }
.footer-legal { display: flex; gap: 20px; }
.footer-company-info { display: flex; flex-wrap: wrap; gap: 20px; font-size: .75rem; color: var(--muted); }
.footer-company-info span { display: flex; align-items: center; gap: 5px; }

/* ── PAGE HERO ── */
.ph {
  padding: 148px 0 80px; text-align: center;
  background: radial-gradient(ellipse 70% 40% at 50% -5%, rgba(255,255,255,.04), transparent 70%);
  position: relative;
}
.ph::after { content: ''; position: absolute; bottom: 0; inset-inline: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--border2), transparent); }
.ph h1 { margin-bottom: 16px; color: #fff; }
.ph .t-body { max-width: 500px; margin: 0 auto; }

/* ── FEATURE DETAIL ── */
.feat-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 72px 0; border-top: 1px solid var(--border); }
.feat-detail.rev { direction: rtl; }
.feat-detail.rev > * { direction: ltr; }
.feat-vis {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r2); aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
}
.feat-vis-inner { text-align: center; }
.feat-vis-icon { font-size: 4rem; display: block; margin-bottom: 8px; }
.feat-vis-label { font-size: .78rem; color: var(--muted); }
.fd-tag { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.fd-h { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; color: #fff; margin-bottom: 14px; letter-spacing: -.02em; line-height: 1.2; }
.fd-p { font-size: .875rem; color: var(--muted2); line-height: 1.75; margin-bottom: 22px; }
.fd-list { display: flex; flex-direction: column; gap: 10px; }
.fd-list li { display: flex; align-items: flex-start; gap: 10px; font-size: .85rem; color: var(--muted2); }
.fd-list .ck { color: var(--green); flex-shrink: 0; margin-top: 2px; font-size: .78rem; }

/* ── INTEGRATIONS ── */
.int-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.int-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 20px; text-align: center;
  font-size: .82rem; font-weight: 500; color: var(--muted2);
  transition: all .18s;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
}
.int-card:hover { border-color: var(--border2); color: #fff; transform: translateY(-2px); }
.int-card span { font-size: 1.8rem; }

/* ── DOWNLOAD PAGE ── */
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 700px; margin: 0 auto 56px; }
.dl-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r2); padding: 32px 26px; text-align: center; transition: all .2s;
}
.dl-card:hover { border-color: var(--border2); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,.5); }
.dl-os { font-size: 3rem; margin-bottom: 14px; display: block; }
.dl-card h3 { color: #fff; margin-bottom: 6px; font-size: 1rem; }
.dl-card p { font-size: .8rem; color: var(--muted2); margin-bottom: 20px; }
.dl-meta { margin-top: 11px; font-size: .72rem; color: var(--muted); }
.dl-card .btn { width: 100%; justify-content: center; }

.trust-row { display: flex; align-items: center; justify-content: center; gap: 32px; flex-wrap: wrap; padding: 28px 32px; background: var(--card); border: 1px solid var(--border); border-radius: var(--r2); margin-bottom: 60px; max-width: 700px; margin-inline: auto; }
.trust-item { display: flex; align-items: center; gap: 7px; font-size: .8rem; color: var(--muted2); }

.reqs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 700px; margin: 0 auto; }
.req-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 22px; }
.req-card h4 { color: #fff; font-size: .88rem; margin-bottom: 14px; }
.req-card ul { display: flex; flex-direction: column; gap: 9px; }
.req-card li { font-size: .8rem; color: var(--muted2); display: flex; gap: 8px; }
.req-card li::before { content: '—'; color: var(--muted); flex-shrink: 0; }

.install-steps { max-width: 540px; margin: 0 auto; }
.istep { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.istep:last-child { border: none; }
.istep-n {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,.08); border: 1px solid var(--border2);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 700;
}
.istep h4 { color: #fff; font-size: .88rem; margin-bottom: 4px; }
.istep p  { font-size: .82rem; color: var(--muted2); }

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.vis { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* ── SECTION ── */
.sec    { padding: 90px 0; }
.sec-sm { padding: 56px 0; }
.sec-dark { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .feat-grid { grid-template-columns: repeat(2,1fr); }
  .testi-grid { grid-template-columns: repeat(2,1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .how-grid { grid-template-columns: repeat(2,1fr); gap: 28px; }
  .spec-row { grid-template-columns: repeat(2,1fr); }
  .int-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .nav-menu, .nav-right .btn-ghost { display: none; }
  .ham { display: block; }
  .feat-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .feat-detail { grid-template-columns: 1fr; gap: 32px; }
  .feat-detail.rev { direction: ltr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .dl-grid { grid-template-columns: 1fr; }
  .reqs-grid { grid-template-columns: 1fr; }
  .preview-body { grid-template-columns: 1fr; }
  .preview-sidebar { display: none; }
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-preview { display: none; }
  .cta-box { padding: 48px 22px; }
  .how-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .how-grid { grid-template-columns: 1fr; }
  .spec-row { grid-template-columns: 1fr 1fr; }
  .int-grid { grid-template-columns: 1fr 1fr; }
  .logos-row { gap: 24px; }
  .trust-row { flex-direction: column; align-items: flex-start; gap: 16px; }
}